Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb7 win in 5 half-moves
3 Rb8 win in 5 half-moves
4 Rb4 draw
5 Rb5 draw
6 Rc1 draw
7 Rf1 draw
8 Rg1 draw
9 Rh1 draw
10 Kd6 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kee8 loss in 2 half-moves
15 Kef7 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kfe8 loss in 2 half-moves
18 Kff7 loss in 2 half-moves
19 Kg7 loss in 2 half-moves
20 Kg8 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves